Update flake.nix

flake.nix

@@ -1,7 +1,7 @@
 {
   description = "SoraFlake";
-# Trick renovate into working: "github:NixOS/nixpkgs/nixpkgs-unstable"
   inputs = {
+# Trick renovate into working: "github:NixOS/nixpkgs/nixpkgs-unstable"
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     hardware.url = "github:nixos/nixos-hardware";
     nur.url = "github:nix-community/nur";